b) "The government *not have a formal mechanism..."O certo: "The government does not have a formal...", já que é necessário o auxiliar 'does' para formar negativas e interrogativas no presente simples.

c) "...that the model *should found on a committee..."O certo: "...that the model should be founded on a committee..." A pessoa queria dizer 'o modelo deve ser baseado/fundamentado'.